“These cans come free with HTC phones released in the past year. This version, known as the MAX300 in China, can be found online for under $15 (as far as I know, they're not sold on most of HTC's online stores except China or Taiwan). There are also Bluetooth and three-button in-line versions being sold officially on HTC's site.
Design
The design is reminiscent of Beats headphones....” --FYLegend

Spark High Definition In-ear Headphones are the combination of precision acoustics, unique design and expert ergonomic research. Powerful and accurate acoustics are achieved through high performance dynamic driver and special high definition acoustic filter built-in, resulting in full, explosive bass, intense mid-range and clear treble frequency response that will put a smile on your face...